There is a lot more to think about than just the oscillator speed. How precise do you need this pulse? Can you post the for loop? Do you have it= s disassembly listing? What is your oscillator frequency? What PIC part are you using? James On 11/28/05, R. I. Nelson wrote: > > Using a basic compiled program using a for-next loop, a flash PICchip. > can I expect toget a pulse every 55 ms. or about 18pulses per second? > > I know a lot of it will depend on what speed I am running the chip at. > > > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > > > > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist